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Cyanobacteria advisory (harmful blue-green algae) reported, Sep 10, 2026

Advisory active · Florida Department of Environmental Protection (Algal Bloom Sampling)

Source: Florida Department of Environmental Protection (Algal Bloom Sampling) via Florida DEP Algal Bloom Sampling, blooms and toxins by site, record 49a8ba55-5f39-4eed-b3fd-832cb7e614d9, updated by the source Sep 10, 2026, 9:25 AM EDT, retrieved 2026-11-05 01:05 UTC · Read the original notice

Current status from this report

No current status shown on Lake Eustis: advisory not re-confirmed by its source recently. The report sets no map colour; it stays flagged on the water page until Dec 9, 2026, 8:25 AM EST. This is not a water-quality test.

A report is not a test of the water. See how we assign statuses.

Read the original notice · Report an error

1. Where the advisory applies

Issued by: Florida Department of Environmental Protection (Algal Bloom Sampling). Place named: “Lake Eustis - Center (20020368)”. Location: 28.84340, -81.73327; location source: given in the source record, accurate to about 10 metres.

2. Waters named in the notice

The notice names: “Lake Eustis”. DirtyWaterWatch links this report to Lake Eustis, FL. Match basis: the water named in the report.

Map sources: water outlines and launches from OpenBoatLaunch and OpenStreetMap contributors (Open Database License); wastewater outlets from EPA and state records; downstream estimates by DirtyWaterWatch using U.S. Geological Survey maps and flow data. Base map: OpenFreeMap and OpenMapTiles.

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When it happened and when it was reported

Event and notice times use Eastern Time (EST or EDT). Retrieval times use Coordinated Universal Time (UTC).

Started
Ended
not reported
Detail provided by the source
Times known to the minute
Reported to the source
not given
Published
not given
Source last updated
Last retrieved by DirtyWaterWatch

What was reported

Type
Cyanobacteria (harmful blue-green algae) can make water unfit for contact; the issuing authority decides when its advisory ends.
Status in the record
Advisory active
Material
“algal bloom (Co-dominant taxa were: Microcystis aeruginosa and Planktolyngbya spp.)”

Advice from Florida Department of Environmental Protection (Algal Bloom Sampling)

This report includes no advice. Check current local health notices.

Advice period
This report does not state a period. See the rule DirtyWaterWatch applies and its source.
Basis
not stated

Status history from this report

Source: DirtyWaterWatch calculations using this report and the published status rules. Updated 2026-11-05 01:25 UTC.

Source and versions

Source
Florida DEP Algal Bloom Sampling, blooms and toxins by site
Source record number
49a8ba55-5f39-4eed-b3fd-832cb7e614d9
Original notice
Read the original notice
Earlier version
None: this is the first record
Later versions
None

Record details

Record details
Record identifierfl-dep-habs:49a8ba55-5f39-4eed-b3fd-832cb7e614d9
Source identifierfl-dep-habs
Source record number49a8ba55-5f39-4eed-b3fd-832cb7e614d9
Earlier versionNot provided
TypeCyanobacteria advisory (harmful blue-green algae)
Status in the reportAdvisory active
Sewer operator identifierNot provided
Sewer operatorNot provided
Federal wastewater discharge permit (NPDES)Not provided
Outlet numberNot provided
Outlet nameLake Eustis - Center (20020368)
Water named in the reportLake Eustis
Linked waterslake-eustis-fl
How this report was linked to the waterthe water named in the report
Latitude28.843
Longitude-81.733
Location sourcegiven in the source record
Location accuracy, in metres10
StartedSep 10, 2026, 9:25 AM EDT (2026-09-10T09:25:00-04:00)
EndedNot provided
Detail provided by the sourceto the minute
Reported to the sourceNot provided
PublishedNot provided
Source last updatedSep 10, 2026, 9:25 AM EDT (2026-09-10T09:25:00-04:00)
Last retrieved by DirtyWaterWatchNov 4, 2026, 8:05 PM EST (2026-11-05T01:05:45Z)
Materialalgal bloom (Co-dominant taxa were: Microcystis aeruginosa and Planktolyngbya spp.)
Volume, in gallonsNot provided
Volume as reportedNot provided
How volume was determinednot stated whether estimated or measured
AuthorityFlorida Department of Environmental Protection (Algal Bloom Sampling)
AdviceNot provided
Advice period, in hoursNot provided
Basis of the advice periodNot provided
Original noticehttps://services1.arcgis.com/nRHtyn3uE1kyzoYc/arcgis/rest/services/AlgalBloom_Final_View/FeatureServer/0/query?where=globalid%3D%2749a8ba55-5f39-4eed-b3fd-832cb7e614d9%27&outFields=objectid,globalid,SampleDateTime,MonitoringGroupPublicFacing,County,esrignss_latitude,esrignss_longitude,BloomObserved,MeterReadingsOnly,SampleDepthDesc,AnalyzedBy,AlgalIDResult,ToxinPresent,Microcystin,OtherToxin,locationString,EditDate,CyanobacteriaDominant&f=json

Original source data

{
  "site": "Lake Eustis  - Center (20020368)",
  "site_key": "lake eustis center 20020368",
  "county": "Lake",
  "group": "SJRWMD",
  "visits": [
    {
      "time": "2026-09-10T09:25:00-04:00",
      "globalid": "49a8ba55-5f39-4eed-b3fd-832cb7e614d9",
      "bloom_observed": "Yes",
      "toxin_present": "No",
      "microcystin": "not detected",
      "other_toxins": "Anatoxin-a: not detected; Cylindrospermopsin: not detected; Nodularin-R: not detected; Saxitoxins: not detected",
      "taxa": "Co-dominant taxa were: Microcystis aeruginosa and Planktolyngbya spp.",
      "cyanobacteria_dominant": "Yes",
      "sample_depth": "SurfaceGrab",
      "group": "SJRWMD",
      "edited": "2026-11-04T02:38:21.564000-05:00"
    }
  ],
  "basis": "Florida DEP observed an algal bloom, or found an algal toxin, in a sample at this site. This is a sampling result, not a health advisory; the Florida Department of Health issues health alerts separately."
}

Staff names, email addresses and phone numbers are removed from source data before it is stored.